The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 6 |
| 5 | 12 |
| 6 | 12 |
| 7 | 12 |
| 8 | 12 |
| 9 | 60 |
| 10 | 60 |
| 11 | 60 |
| 12 | 120 |
| 13 | 360 |
| 14 | 120 |
| 15 | 420 |
| 16 | 420 |
| 17 | 840 |
| 18 | 2520 |
| 19 | 2520 |
| 20 | 2520 |
| 21 | 5040 |
| 22 | 5040 |
| 23 | 5040 |
| 24 | 2520 |
| 25 | 17640 |
| 26 | 5040 |
| 27 | 5040 |
| 28 | 27720 |
| 29 | 27720 |
| 30 | 55440 |
| 31 | 55440 |
| 32 | 55440 |
| 33 | 55440 |
| 34 | 166320 |
| 35 | 55440 |
| 36 | 110880 |
| 37 | 55440 |
| 38 | 360360 |
| 39 | 360360 |
| 40 | 720720 |
| 41 | 720720 |
| 42 | 720720 |
| 43 | 720720 |
| 44 | 2162160 |
| 45 | 720720 |
| 46 | 1441440 |
| 47 | 2162160 |
| 48 | 3603600 |
| 49 | 2882880 |
| 50 | 4324320 |
| 51 | 10810800 |
| 52 | 4324320 |
| 53 | 6486480 |
| 54 | 18018000 |
[1,2,2,6,12,12,12,12,60,60,60,120,360,120,420,420, 840,2520,2520,2520,5040,5040,5040,2520,17640,5040, 5040,27720,27720,55440,55440,55440,55440,166320, 55440,110880,55440,360360,360360,720720,720720, 720720,720720,2162160,720720,1441440,2162160, 3603600,2882880,4324320,10810800,4324320,6486480, 18018000] |